A method is provided involving an additive manufacturing system. This method includes a step of forming a first fluid conduit using the additive manufacturing system. The method also includes a step of providing a fluid coupling. The fluid coupling includes the first fluid conduit and a second fluid conduit. The first fluid conduit is connected to and fluidly coupled with the second fluid conduit. The first fluid conduit has a first configuration. The second fluid conduit has a second configuration that is different than the first configuration.

A stator assembly of a hydrokinetic torque converter includes a stator rotatable about an axis and having a hub bore coaxial to the axis, the stator having a crimped portion, a one-way clutch mounted to the stator in the hub bore coaxially to the axis, and a retainer plate fixedly secured to the stator in hub bore by the crimped portion. A method for making a stator assembly of a hydrokinetic torque converter involves providing a stator having an axis and a hub bore that is coaxial with the axis, the hub bore containing a one-way clutch and an annular retainer plate, and crimping a portion of the stator to fixedly secure the one-way clutch and the annular retainer plate in the hub bore.

A compressor of the present invention includes an impeller that is rotatably provided inside an accommodation portion of a compressor casing, the impeller includes a blade that extends toward an inner peripheral surface of the accommodation portion, and an outer edge of the blade facing the inner peripheral surface of the accommodation portion is provided with a shroud portion that is formed from a resin layer. With such a configuration, the wear damage of the casing and the blade of the blade wheel may be prevented, and the effort and the time in the manufacturing process may be reduced.

A turbocharger including a rotating assembly having a compressor wheel and a turbine wheel mounted on opposite ends of a shaft. A bearing housing supports the rotating assembly and comprises at least two segments. Each segment has an opening large enough to radially receive the rotating assembly. The bearing housing segments are fastened together and a flexible seal may be provided between the segments. The bearing housing may house rolling element bearings or journal bearings, for example. The bearing housing is split axially into an upper segment and a lower segment. Alternatively, the bearing housing is split axially into a left segment and a right segment. The turbocharger may further comprise an electric motor stator disposed in the bearing housing. The bearing housing may also include a defined passageway extending around the stator and configured to receive a cooling liquid.

A method is provided involving an additive manufacturing system. This method includes a step of forming a first fluid conduit using the additive manufacturing system. The method also includes a step of providing a fluid coupling. The fluid coupling includes the first fluid conduit and a second fluid conduit. The first fluid conduit is connected to and fluidly coupled with the second fluid conduit. The first fluid conduit has a first configuration. The second fluid conduit has a second configuration that is different than the first configuration.

A rotor apparatus for extracting energy from bidirectional fluid flows comprises a first rotor (7) mounted for rotation about an axis of rotation (4) in a first direction of rotation, the first rotor (7) having at least one helical blade (2) with a pitch that decreases in a direction along the axis of rotation (4); and a second rotor (8) mounted for rotation about the same axis of rotation (4) in an opposite direction of rotation and having at least one helical blade (2) with a pitch that increases in the same direction along the axis of rotation (4), wherein fluid exiting the first rotor (7) is passed to the second rotor (8).

A method of manufacturing a turbine disk includes the steps of machining an initial slot using a cutting tool and machining intermediate and semi finished slot using a form tool that forms surfaces of the slot except for the bottom surface. A final finishing step utilizes a cutting tool that includes a shape that forms the bottom portion of the disk slot.

A tool (T) is provided with: a shaft-like tool body (11) having a first end portion (11a) extending along a central axis line (Ot) and attached to a main shaft, and a second end portion (11b) on an opposite side to the first end portion (11a); and a fore end portion (12) connected to the second end portion (11b) of the shaft-like tool body (11). The fore-end portion (12) includes a central portion (13) including a fore-end face (17) of the tool (T), and a plurality of blade portions (14) protruding radially outward from the central portion (13). A cutting blade of each blade portion (14) includes a main cutting blade (15) adjacent to the fore-end face (17). The main cutting blade (15) includes an outline that forms an angle of 30-150 degrees with respect to the central axis line (Ot) in a cross-sectional view including the central axis line (Ot).